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Finding the Fourth Proportional to 243,013.40, 364,520.10 and 183,964.40

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Solution

The fourth proportional to 243,013.40, 364,520.10 and 183,964.40 is: 275,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,013.40 : 364,520.10 = 183,964.40 : x
  2. Step 2: Convert to fraction form
    243,013.40/364,520.10 = 183,964.40/x
  3. Step 3: Cross multiply
    243,013.40x = 364,520.10 × 183,964.40
  4. Step 4: Simplify right side
    243,013.40x = 67,058,721,484.44
  5. Step 5: Solve for x
    x = 67,058,721,484.44/243,013.40
  6. Step 6: Final answer
    x = 275,946.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.